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Rotational Motion: Principles, Equations, and Applications

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Rotational Position & Displacement

  • Guided course
    Rotational Position & Displacement
    14:03
  • Guided course
    Displacement in Multiple Revolutions
    05:58

Rotational Velocity & Acceleration

  • Guided course
    Rotational Velocity & Acceleration
    11:21
  • Guided course
    Rotational velocity of Earth
    04:03

Equations of Rotational Motion

  • Guided course
    Rotational velocity of disc
    05:48
  • Guided course
    Equations of Rotational Motion
    07:18

Converting Between Linear & Rotational

  • Guided course
    Length of string rotating point mass
    05:44
  • Guided course
    Converting Between Linear & Rotational
    11:10

Types of Acceleration in Rotation

  • Guided course
    Types of Acceleration in Rotation
    13:42
  • Guided course
    Accelerations of boy on carousel
    04:05

Rolling Motion (Free Wheels)

  • Guided course
    Rolling Motion (Free Wheels)
    08:47
  • Guided course
    Speeds at points on a wheel
    03:15

Intro to Connected Wheels

  • Guided course
    Speed of pulleys of different radii
    03:41
  • Guided course
    Intro to Connected Wheels
    08:57

Intro to Torque

  • Guided course
    Example 3
    02:59
  • Guided course
    Intro to Torque
    15:04
  • Guided course
    Torque of fish pulling on pole
    04:26

Net Torque & Sign of Torque

  • Guided course
    Net Torque & Sign of Torque
    08:55

Torque Due to Weight

  • Guided course
    Torque Due to Weight
    10:19

Torque & Acceleration (Rotational Dynamics)

  • Guided course
    Torque & Acceleration (Rotational Dynamics)
    08:12
  • Guided course
    Torque & Acceleration of a Point Mass
    03:42

Torque on Discs & Pulleys

  • Guided course
    Torque on Discs & Pulleys
    08:28
  • Guided course
    Net Torque on a disc
    08:31

Intro to Moment of Inertia

  • Guided course
    Moment of inertia of Earth
    05:06
  • Guided course
    Intro to Moment of Inertia
    11:47
  • Guided course
    Inertia of planet of known density
    04:58

Moment of Inertia of Systems

  • Guided course
    Inertia of disc with point masses
    04:12

Intro to Rotational Kinetic Energy

  • Guided course
    Mass of re-designed flywheel
    03:21
  • Guided course
    Intro to Rotational Kinetic Energy
    06:07

Types of Motion & Energy

  • Guided course
    Kinetic Energy of a Point Mass
    06:05
  • Guided course
    Types of Motion & Energy
    08:49

Energy of Rolling Motion

  • Guided course
    Energy of Rolling Motion (Surface vs Air)
    06:15
  • Guided course
    Ratio of energies of cylinder on surface
    05:32

Conservation of Energy with Rotation

  • Guided course
    Cylinders racing down:rolling vs. sliding
    06:20
  • Guided course
    Work to accelerate cylinder
    03:53
  • Guided course
    Conservation of Energy with Rotation
    13:08

More Conservation of Energy Problems

  • Guided course
    Speed of blocks on a pulley (Atwood's Machine)
    16:46
  • Guided course
    Speed of a yo-yo
    11:52
  • Guided course
    Blocks on a rough table and a pulley
    11:46

Conservation of Energy in Rolling Motion

  • Guided course
    Sphere on rough and smooth hills
    15:27
  • Guided course
    Conservation of Energy in Rolling Motion
    12:26

Moment of Inertia & Mass Distribution

  • Guided course
    Moment of Inertia & Mass Distribution
    03:42

Parallel Axis Theorem

  • Guided course
    Parallel Axis Theorem
    13:46

Moment of Inertia via Integration

  • Guided course
    Moment of Inertia of A Non-Uniform Disk
    07:01
  • Guided course
    Finding Moment Of Inertia By Integrating
    11:43

Torque with Kinematic Equations

  • Guided course
    Stopping flywheel with friction
    11:14
  • Guided course
    Torque with Kinematic Equations
    08:06

Rotational Dynamics with Two Motions

  • Guided course
    Rotational Dynamics with Two Motions
    16:59
  • Guided course
    Acceleration of block on a pulley
    11:42

Rotational Dynamics of Rolling Motion

  • Guided course
    Rotational Dynamics of Rolling Motion
    13:30

Intro to Angular Momentum

  • Guided course
    Intro to Angular Momentum
    06:18

Angular Momentum of a Point Mass

  • Guided course
    Angular Momentum of a Point Mass
    08:35

Angular Momentum & Newton's Second Law

  • Guided course
    Angular Momentum & Newton's Second Law
    05:18

Conservation of Angular Momentum

  • Guided course
    Ice skater closes her arms
    06:58
  • Guided course
    Landing and moving on a disc
    13:39
  • Guided course
    Conservation of Angular Momentum
    12:12

Opening/Closing Arms on Rotating Stool

  • Guided course
    Holding weights on a spinning stool
    09:39

Spinning on String of Variable Length

  • Guided course
    Spinning on a string of variable length
    10:54

Intro to Angular Collisions

  • Guided course
    Intro to Angular Collisions (Two discs)
    15:21

Jumping Into/Out of Moving Disc

  • Guided course
    Jumping into a moving disc
    14:28

Angular Momentum of Objects in Linear Motion

  • Guided course
    Angular Momentum of Objects in Linear Motion
    07:06

Angular Collisions with Linear Motion

    Torque & Equilibrium

    • Guided course
      Pin holding a horizontal bar
      02:33
    • Guided course
      Balancing a bar with a force
      06:05
    • Guided course
      Torque & Equilibrium
      10:13

    Review: Center of Mass

    • Guided course
      Intro to Center of Mass
      14:02

    Equilibrium with Multiple Objects

    • Guided course
      Multiple objects hanging
      11:19
    • Guided course
      Position of second kid on seesaw
      04:37

    Equilibrium with Multiple Supports

    • Guided course
      Equilibrium with Multiple Supports
      14:31

    Center of Mass & Simple Balance

    • Guided course
      Center of Mass & Simple Balance
      10:22
    • Guided course
      Non-Uniform Mass Distributions (Find Center of Mass)
      09:43

    Equilibrium in 2D - Ladder Problems

    • Guided course
      Minimum angle and friction for ladder
      16:02
    • Guided course
      Equilibrium in 2D - Ladder Problems
      13:43

    Beam / Shelf Against a Wall

    • Guided course
      Beam supporting an object
      13:40
    • Guided course
      Beam / Shelf Against a Wall
      17:08

    More 2D Equilibrium Problems

    • Guided course
      Inclined beam against the floor
      15:00